setup.py: Add classifiers
setup.py: Add classifiers

Aloomaio/pymssql,Aloomaio/pymssql,klothe/pymssql,bladams/pymssql,ramiro/pymssql,Aloomaio/pymssql,zerolugithub/pymssql,JimDennis/pymssql,ramiro/pymssql,JimDennis/pymssql,klothe/pymssql,ramiro/pymssql,JimDennis/pymssql,pymssql/pymssql,pymssql/pymssql,klothe/pymssql,zerolugithub/pymssql,bladams/pymssql,zerolugithub/pymssql,bladams/pymssql